This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A066113 #14 Oct 30 2022 18:19:59 %S A066113 0,1,2,3,5,5,6,8,7,7,11,9,9,11,12,10,13,10,14,14,13,13,19,15,15,18,20, %T A066113 15,21,20,22,20,18,21,27,19,21,21,27,21,27,22,26,29,24,24,32,27,31,27, %U A066113 31,27,33,30,35,34,30,30,41,31,33,40,40,41,40,34,39,36,40 %N A066113 a(n) is the number of conjugacy classes of maximal subgroups of the alternating group A_n. %H A066113 Andrew Howroyd, <a href="/A066113/b066113.txt">Table of n, a(n) for n = 2..250</a> %H A066113 M. W. Liebeck, C. E. Praeger and J. Saxl, <a href="https://doi.org/10.1016/0021-8693(87)90223-7">A classification of the maximal subgroups of the finite alternating and symmetric groups</a>, J. Algebra 111(1987), no. 2, 365-383; Math. Rev. 89b:20008. %o A066113 (GAP) List([2..50],i->Length(MaximalSubgroupClassReps(AlternatingGroup(i)))); %Y A066113 Cf. A029726, A066115, A316435. %K A066113 nonn %O A066113 2,3 %A A066113 _Reiner Martin_, Dec 30 2001 %E A066113 More terms from _Alexander Hulpke_, Feb 19 2002 %E A066113 Terms a(51) and beyond from _Andrew Howroyd_, Jul 02 2018